2017 Mercedes-Benz Trucks Tire Fitment Guide

2017 Mercedes-Benz Trucks vehicles use 21 distinct tire sizes: 235/50R18, 235/60R18, 235/45R19, 235/55R19, 255/50R19, 275/55R19, 235/40R20, 255/45R20, 265/45R20, 275/50R20, 285/40R20, 255/40R21, 265/40R21, 275/45R21, 285/35R21, 295/35R21, 295/40R21, 315/40R21, 285/40R22, 325/35R22, and 325/55R22. They mount on 18-, 19-, 20-, 21-, or 22-inch wheels depending on model, and several AMG applications use staggered front-and-rear combinations rather than one size at all four corners.

That makes model identification essential on 2017 Mercedes-Benz Trucks. A GLA250, GLE350, GLC43 AMG, and G550 4x4 can all belong to the same model year and brand family while using completely different diameters, widths, and front-to-rear pairings. Start by confirming the exact model and the wheel diameter already on the vehicle, then verify whether your Mercedes uses a square setup or separate front and rear sizes before choosing a tire.

On a 2017 Mercedes-Benz Trucks tire, 235/50R18 is a metric radial size. The 235 is the tire's nominal section width in millimeters, 50 is the aspect ratio, meaning the sidewall height is 50 percent of the section width, R identifies radial construction, and 18 is the wheel diameter in inches. In this year-and-make range, that size applies to the GLA250.

That code matters because a modern Mercedes crossover tire is defined by all four parts of the size, not by diameter alone. A 235/50R18 and a 235/45R19 may look related because the width is the same, but they fit different wheel diameters and carry different overall proportions. When replacing tires on a 2017 Mercedes-Benz Trucks GLA250, match the complete size exactly unless you are intentionally changing wheels and recalculating fitment.

No. 2017 Mercedes-Benz Trucks spans compact crossovers, full-size SUVs, G-Class models, and AMG variants, so tire size changes significantly by model. Some families share certain sizes, such as 265/45R20 across multiple GLE variants or 275/55R19 across the G550, GLS350d, and GLS450, but many fitments are model-specific. AMG versions also introduce wider and larger-diameter combinations, including several 21-inch and 22-inch sizes.

The practical takeaway is that year and make are only the starting point. Once you identify the model, you still need to confirm whether it uses the base wheel package, an optional larger wheel, or a staggered setup with different front and rear sizes. Checking the sidewall on the tires already fitted or verifying the wheel diameter on the vehicle will usually narrow the search quickly.

Sidewall style variety is modest in the available 2017 Mercedes-Benz Trucks coverage, but it is not identical across every size. The 235/50R18 choices come in Blackwall form, while 255/45R20 appears in both Blackwall and RWL versions. Because these are modern luxury and performance-oriented fitments rather than mid-century restoration sizes, Blackwall is generally the most era-appropriate visual match for the factory look.

That means sidewall appearance can still affect the final presentation even when the size is correct. If you want your 2017 Mercedes-Benz Trucks vehicle to retain an OEM-style look, Blackwall is the safer direction. If you prefer a more assertive aftermarket appearance on a performance-oriented application, an RWL option may appeal, but it changes the visual character of the vehicle more than a size change alone.

Current 2017 Mercedes-Benz Trucks product coverage includes BFGoodrich and Nitto in 235/50R18, and BFGoodrich, Nitto, and Pro-Trac in 255/45R20. All of those offerings are radial tires aimed at modern road use rather than vintage-style reproduction construction. Brand choice in this year-and-make range is therefore tied to the exact size your model uses, not to the badge on the vehicle alone.

That size-by-size reality matters because one Mercedes model may have several tire paths while another has a very specific fitment. If you are working with a GLA250 on 235/50R18, the brand field is narrower than it is for a GLC300 or GLC43 AMG using 255/45R20. Narrow your search by exact size first, then compare brand characteristics such as sidewall appearance, speed rating, and intended driving use.

For 2017 Mercedes-Benz Trucks in 235/50R18, BFGoodrich and Nitto both offer radial Blackwall tires with W speed ratings. BFGoodrich appears in multiple series, including g-Force Sport Comp-2, g-Force Comp-2 A/S, and g-Force Phenom T/A, while Nitto is represented by the NT555 G2. Rim width coverage centers on 6.5 to 8.5 inches, and load figures that appear in this size reach 1,819 pounds at 50 psi.

The practical difference is less about fitment and more about the character of the individual tire line. Since they share the same basic size and speed-category ceiling, your next comparisons should be the exact series, intended use, and any differences in load marking or construction details on the sidewall. Staying within the correct 235/50R18 envelope keeps the fitment right while letting you choose the driving feel you want.

Rim width guidance is available for two 2017 Mercedes-Benz Trucks sizes in current product coverage. The 235/50R18 fits rims from 6.5 to 8.5 inches wide, while the 255/45R20 fits rims from 8.0 to 9.5 inches wide on the BFGoodrich products that publish that range. Those numbers are size-specific and should not be transferred to other Mercedes sizes that happen to share a similar width or diameter.

That matters most when a Mercedes owner is replacing tires on aftermarket wheels or trying to confirm whether a used wheel set is compatible. A tire can match the wheel diameter and still be poorly matched to wheel width. Before mounting a new set on 2017 Mercedes-Benz Trucks, compare the wheel's actual width to the tire maker's approved range for that exact size and product.

The available 2017 Mercedes-Benz Trucks products in 235/50R18 and 255/45R20 are modern radial tires with no tube-type marking. That points to tubeless construction for those specific products rather than traditional tube-type fitment. Modern Mercedes wheel-and-tire systems from this era are typically designed around tubeless radial tires, especially on 18-, 19-, 20-, 21-, and 22-inch factory-style applications.

Even so, the wheel still needs to be in suitable condition for tubeless use. If a 2017 Mercedes-Benz Trucks vehicle is on original wheels, check for bead-seat corrosion, prior repairs, or damage that could affect sealing. If the vehicle has aftermarket wheels, confirm the wheel was intended for tubeless radial service and use fresh valve stems when mounting new tires.

No original 2017 Mercedes-Benz Trucks wheel can be treated as universal across all 21 tire sizes because wheel diameters range from 18 to 22 inches. A 235/50R18 requires an 18-inch wheel, a 275/55R19 requires a 19-inch wheel, a 255/45R20 requires a 20-inch wheel, and the larger AMG and G-Class specialty fitments move into 21- and 22-inch territory. Diameter compatibility comes first, and many AMG applications also require correct front and rear pairing.

That means wheel reuse depends on staying within the size family intended for that exact vehicle. If you are keeping the original wheels on a 2017 Mercedes-Benz Trucks model, replace the tires with the same wheel-diameter fitment already on the vehicle. If you are changing from one Mercedes wheel package to another, verify not just diameter but also tire width, staggered setup, and approved rim-width compatibility before mounting.

A 2017 Mercedes-Benz Trucks should be stored out of direct sunlight, away from ozone-producing equipment such as electric motors and battery tenders with poor ventilation, and on a clean, dry surface. Keep the tires at proper inflation, avoid long-term contact with petroleum-contaminated concrete, and move the vehicle periodically if it will sit for extended stretches. Modern radial tires resist flat-spotting better than older bias-ply designs, but long static storage still ages the casing and sidewalls.

Owners who store a 2017 Mercedes-Benz Trucks for winter or as a low-mileage collector should treat tire care as part of overall vehicle preservation. A few feet of movement every few weeks, or the use of well-placed stands when appropriate, can reduce stress concentration in one contact patch. Before returning the vehicle to regular driving, inspect each tire for cracking, pressure loss, and any shape change from storage.

On a low-use 2017 Mercedes-Benz Trucks, age is usually more important than mileage. Most collector and enthusiast owners begin evaluating tires carefully around the five- to seven-year mark, and many consider replacement as a serious topic once a tire approaches ten years from its DOT date code, even if tread depth still looks healthy. Heat cycles, climate, storage conditions, and inflation habits often matter more than odometer accumulation.

That is especially relevant for Mercedes SUVs and AMG models that may see occasional use rather than daily duty. A tire that looks fine from a distance can still harden, crack, or lose wet-weather confidence as it ages. When maintaining a 2017 Mercedes-Benz Trucks, use the DOT date code and a close sidewall inspection to make replacement decisions instead of relying on tread wear alone.

Tires on a 2017 Mercedes-Benz Trucks should be checked before every drive and given a more thorough inspection before any longer trip. Look for sidewall cuts, bubbles, cracking, punctures, uneven tread wear, and any sign that one tire is losing pressure faster than the others. On models with staggered AMG fitments, compare both axles carefully because front and rear tires may age and wear differently.

Routine inspection matters because large-diameter Mercedes fitments can hide problems until highway speed or heavy load brings them out. A quick pressure check and visual walkaround take only a few minutes, but they can catch a damaged sidewall, a nail, or an aging valve stem before it becomes a roadside problem. If the spare is present, inspect it on the same schedule rather than assuming it is ready to use.

Yes, the available 2017 Mercedes-Benz Trucks products in 235/50R18 and 255/45R20 are radial tires with W speed ratings, which carry a 168 mph ceiling. That is far above normal U.S. highway speeds and well within the real-world operating envelope of these modern Mercedes applications when the tires are correctly sized, properly inflated, and in sound condition. For other Mercedes sizes in this year, the exact speed symbol should be confirmed on the tire you intend to use.

Highway safety on a 2017 Mercedes-Benz Trucks depends on more than the speed rating alone. Tire age, pressure, alignment, and whether the vehicle is running the correct staggered combination are just as important as the sidewall letter. If the SUV is used for long-distance travel, inspect each tire before departure and make sure the chosen size matches the wheel diameter and axle position it was meant to serve.

Inflation pressure for 2017 Mercedes-Benz Trucks should follow the vehicle manufacturer's specification for the exact model and wheel package, with the tire's own maximum-pressure marking used only as a tire limit rather than a universal running recommendation. In the available product coverage, 235/50R18 reaches 1,819 pounds at 50 psi on some tires, and 255/45R20 also appears in performance-oriented W-rated form. Those figures describe tire capacity at stated pressure, not a one-pressure-fits-all setting for every Mercedes application.

The best practice is to start with the pressure placard or owner's manual for your exact 2017 Mercedes-Benz Trucks model, then confirm the tire is appropriate for that load and use. Avoid copying pressure from one size to another, especially across GLA, GLC, GLE, GLS, and G-Class vehicles. Different curb weights, axle loads, and staggered setups can require very different pressures even within the same model year.

Before a longer trip in a 2017 Mercedes-Benz Trucks, inspect every tire for cracks, cuts, bulges, punctures, and uneven wear, then verify cold inflation pressure on all four corners. Confirm that any staggered front-and-rear setup is still properly matched, and make sure the spare is usable if the vehicle carries one. A modern Mercedes SUV may be mechanically capable of covering distance easily, but tire condition still deserves a dedicated check before departure.

That inspection should be part of a broader age-appropriate pre-drive routine. Check alignment behavior during the first miles, listen for vibration that could point to a separated belt or damaged wheel, and confirm the vehicle is not pulling under braking. On a 2017 Mercedes-Benz Trucks model that sees seasonal or low annual mileage, tire readiness can change more from age and storage conditions than from visible tread wear.